该变换器电路结构上采用正激一零电流准谐振软开关电路拓扑结构,并结合了有源钳位技术;
This module uses a circuit topology of forward pulse width modulated - zero current quasi - resonance soft - switching , combined with active clamp technology.
有源钳位z VS - PW M正激变换器可以适应这一发展趋势,因为它具有软开关和磁芯自动复位功能。
The active clamp ZVS-PWM forward converter has been answered for with the merits of the soft switch technique and the magnetic reset technique.
软开关技术能够有效改善功率开关管的工作环境,降低开关损耗,提高变换器的效率。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
结果表明,该控制方案能在恒定开关频率下对变换器实现高效率的软开关控制。
The results show that this control scheme could realize the high efficiency soft-switch control under the constant switching frequency to the converter.
介绍一种带缓冲电路的新型零电压过渡pwm (ZVT- PWM)软开关boost变换器。
It introduces a new zero voltage transition PWM (ZVT - PWM) soft switching BOOST converter with a snub circuit.
合理选择其参数的是实现变换器高工作效率,优良软开关特性的前提和保证。
The accurate parameters can create a precondition for LLC resonant converter to achieve high efficiency and satis-factory soft switching.
介绍了一种新型的零电压转换软开关技术在大升压比PW M直-直变换器上的应用。
In this paper, a novel Zero voltage Transition soft switching techniques have been investigated for a PWM DC DC large boost conversion application.
传统的推挽变换器存在着一些固有的缺点,诸如开关管的电压应力高、难以实现软开关等,限制了它的应用范围。
There are some intrinsic drawbacks in traditional push-pull converter, such as higher voltage stress and hard-switching of the switches, so the application area of the converter is limited.
研究了一种软开关同步升降压变换器。
A method for soft switching applicable to Buck-Boost converter is researched.
最后对串并联谐振变换器进行了仿真和试验,结果表明实现了软开关条件下变换器输出的连续可调节。
The feasibility of continuous-adjustable output converter based on soft-switching has been analyzed by AC analytical method and EDF technique and proved by simulation and experimental results at last.
提出了一种零电压软开关高功率因数变换器电路。
The paper presents a kind of zero-voltage soft-switching unity power factor converter.
通过这种设计方法,可使变换器在一定输出电压范围内平均电流应力最小,并且使变换器在一定输出电压范围内基本实现软开关。
Average current stress is minimized in a range of output voltage, and the converter can achieve ZVS in the range of output voltage.
但是有源软开关技术因为有辅助开关管的引入,控制电路比较复杂,增加的额外元器件较多,变换器成本增加。
Because of introduction of the additional switch, the control circuit of the converter becomes complex and the amount of the added parts and cost increases.
变换器高频软开关工作可减小变压器和滤波元件的尺寸和重量,改善电气性能,提高效率和可靠性。
High frequency and soft switching of converter can reduce the size and weight of transformer and filter, improve electric performance, increase efficiency and reliability.
结果表明,变换器有良好的零电压软开关特性和负载特性,较高的功率转换效率和较低的电磁辐射。
The results show that the converter have good ZVS and a special property of loading character, and it has a higher efficiency of power conversion and lower EMI.
分析了该变换器的稳态特性,得到了变换器的输出特性和实现软开关的通用条件。
Furthermore, the output characteristics and the universal ZVS condition are also derived on the basis of the steady state analysis.
移相全桥直流变换器的软开关技术分为零电压开关(ZVS)和零电压零电流开关(ZVZCS)两大类。
There are two soft-switch schemes of phase-shift full-bridge DC/DC converter: zero-voltage switching (ZVS) and zero-voltage zero-current switching (ZVZCS).
研究一种把软开关技术和移相pwm控制技术以及双向DC DC变换器技术有机结合在一起的新型高频DC DC开关功率全桥变换器。
A new high frequency DCDC full-bridge power converter is presented, that the soft-switching, phase-shifted PWM and bi-directional DCDC converter hang together.
研究一种把软开关技术和移相pwm控制技术以及双向DC DC变换器技术有机结合在一起的新型高频DC DC开关功率全桥变换器。
A new high frequency DCDC full-bridge power converter is presented, that the soft-switching, phase-shifted PWM and bi-directional DCDC converter hang together.
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